McIntyre Cameron P.

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McIntyre
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Cameron P.
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Preprint

Progress with a gas-accepting ion source for Accelerator Mass Spectrometry

2010-08 , Roberts, Mark L. , von Reden, Karl F. , McIntyre, Cameron P. , Burton, Joshua R.

The National Ocean Sciences AMS (NOSAMS) facility at Woods Hole Oceanographic Institution has developed a novel, gas-accepting microwave-plasma ion-source. The source is a key component of a compact Accelerator Mass Spectrometry (AMS) system built for the analysis of 14C in a continuously flowing gas stream. The gas source produces carbon currents from a stream of CO2 with currents typical of a traditional graphite source. Details of the gas source, including ion current achieved, optimal flow rate, efficiency, and memory are presented. Additionally, data obtained from coupling a gas chromatograph to the source to will be shown.